Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The vaporization of liquid, such as rocket fuel.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The vaporization of a liquid (or solid) whose boiling point is lower that that of the environment in which it is stored.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Combination of boil +‎ off.

Examples

  • I would terminate aeronautics research and throw everything at this problem, which is fundamentally a ground based cryogenic insulation, and an in fligh boiloff recirculation problem, besides the usual crogenic production research.

    Do You Want a Space Shuttle For Your Museum? - NASA Watch

  • ¬†The time it took to correct the problem resulted in significant LOX boiloff and loss of helium, and it was the latter that caused the launch abort.

    NASA Watch: Keith Cowing: November 2005 Archives

  • Gelling the hydrogen cargo will also reduce boiloff further as much as 40 percent by suppressing convection within the tank.

    The Case for Mars

  • Heavily insulating the hydrogen tanks with multilayer insulation can reduce in-space boiloff of liquid hydrogen to less than 1 percent per month during the six-to-eight-month interplanetary transit without any requirement for active refrigeration.

    The Case for Mars

  • Again the dual HLV - one manned, one unmanned - architecture is utilized, with the second launch of the EDS launching after the crew, to minimize boiloff effects on this large cyro stage.

    NASASpaceFlight.com

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